Home / 7,020.27-10,532.23-2,638.98

Finding the Fourth Proportional to 7,020.27, 10,532.23 and 2,638.98

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Solution

The fourth proportional to 7,020.27, 10,532.23 and 2,638.98 is: 3,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.27 : 10,532.23 = 2,638.98 : x
  2. Step 2: Convert to fraction form
    7,020.27/10,532.23 = 2,638.98/x
  3. Step 3: Cross multiply
    7,020.27x = 10,532.23 × 2,638.98
  4. Step 4: Simplify right side
    7,020.27x = 27,794,337.73
  5. Step 5: Solve for x
    x = 27,794,337.73/7,020.27
  6. Step 6: Final answer
    x = 3,959.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.